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56980326 = 23133312207
BaseRepresentation
bin1101100101011…
…1001101100110
310222012220022110
43121113031212
5104041332301
65353141450
71261216254
oct331271546
9128186273
1056980326
112a189187
12170ba886
13ba60690
1477d35d4
1550080d6
hex3657366

56980326 has 32 divisors (see below), whose sum is σ = 123153408. Its totient is φ = 17471520.

The previous prime is 56980307. The next prime is 56980367. The reversal of 56980326 is 62308965.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24715 + ... + 26921.

It is an arithmetic number, because the mean of its divisors is an integer number (3848544).

Almost surely, 256980326 is an apocalyptic number.

56980326 is an abundant number, since it is smaller than the sum of its proper divisors (66173082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56980326 is a wasteful number, since it uses less digits than its factorization.

56980326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 56980326 is about 7548.5313803415. The cubic root of 56980326 is about 384.8058300141.

The spelling of 56980326 in words is "fifty-six million, nine hundred eighty thousand, three hundred twenty-six".

Divisors: 1 2 3 6 13 26 39 78 331 662 993 1986 2207 4303 4414 6621 8606 12909 13242 25818 28691 57382 86073 172146 730517 1461034 2191551 4383102 9496721 18993442 28490163 56980326